Finding the Fourth Proportional to 2,162.82, 3,243.18 and 929.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.82 : 3,243.18 = 929.58 : x
2. Step 2: Convert to fraction form
   2,162.82/3,243.18 = 929.58/x
3. Step 3: Cross multiply
   2,162.82x = 3,243.18 × 929.58
4. Step 4: Simplify right side
   2,162.82x = 3,014,795.26
5. Step 5: Solve for x
   x = 3,014,795.26/2,162.82
6. Step 6: Final answer
   x = 1,393.92